Material:

TiCoSi

ID:

MMD-1947

Explore database:

Compounds with the same formula: TiCoSi (2 entries found)
Compounds with the same elements: Ti-Co-Si (6 entries found)
Navigation:
Space group | Lattice parameters | Thermodynamic properties | Phase diagram | Magnetic properties | Atomic positions and site-specific magnetic data | Pair-wise magnetic data | Methods | References

Space group:

Crystal system

hexagonal

Space group number

189

Hermann-Mauguin

P-62m

Hall

P -6 -2

Point group

-6m2

Structure data:

Normalized formula

TiCoSi

The number of formula units per unit cell

3

The total number of atoms per unit cell

9

The number of inequivalent sites per unit cell

4

Structure search

MP

Lattice parameters:

a (Å)

6.0253

b (Å)

6.0253

c (Å)

3.7180

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

120.000

Volume (Å3)

116.895

Density (g/cm3)

5.748

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-791.2 meV/atom

Formation energy above hull

Phase diagram:

Phase diagram
The convex hull is temporarily not available while we perform maintenance.

Related structures:

Compounds with the same formula: TiCoSi

2 entries found

Compounds with the same elements: Ti-Co-Si

6 entries found

Binary compounds in Ti-Co system

7 entries found

Binary compounds in Ti-Si system

No entries found

Binary compounds in Co-Si system

17 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

0.02 μB/cell

Averaged magnetic moment

0.00 μB/atom

Magnetic polarization, Js = μ0Ms

0.00 T (= 0.0 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic easy axis

Magnetic hardness parameter, κ

Atomic positions (fractional coordinates) and site-specific magnetic data:

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Ti 3g 0.564954 0.564954 0.500000 0.00 . .
2 Ti 3g 0.435046 0.000000 0.500000 0.00 . .
3 Ti 3g -0.000000 0.435046 0.500000 0.00 . .
4 Co 3f 0.757099 0.000000 0.000000 0.00 . .
5 Co 3f 0.242901 0.242901 0.000000 0.00 . .
6 Co 3f -0.000000 0.757099 0.000000 0.00 . .
7 Si 2c 0.666667 0.333333 0.000000 -0.00 . .
8 Si 2c 0.333333 0.666667 0.000000 -0.00 . .
9 Si 1b 0.000000 0.000000 0.500000 -0.00 . .
w: site multiplicity (the number of equivalent positions) and Wyckoff letter (a label for site symmetry)
m: local magnetic moment
Esoc100 (001): Spin-orbit coupling energy for the magnetization oriented along the crystallographic a (c) axis
(Individual Esoc values are temporarily not available while we perform maintenance.)
Terms and conditions

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Ti 3g 2 Ti 3g 3.09 .
1 Ti 3g 3 Ti 3g 3.09 .
1 Ti 3g 4 Co 3f 2.94 .
1 Ti 3g 5 Co 3f 2.69 .
1 Ti 3g 6 Co 3f 2.94 .
1 Ti 3g 7 Si 2c 2.58 .
1 Ti 3g 8 Si 2c 2.58 .
1 Ti 3g 9 Si 1b 2.62 .
2 Ti 3g 3 Ti 3g 3.09 .
2 Ti 3g 4 Co 3f 2.69 .
2 Ti 3g 5 Co 3f 2.94 .
2 Ti 3g 6 Co 3f 2.94 .
2 Ti 3g 7 Si 2c 2.58 .
2 Ti 3g 8 Si 2c 2.58 .
2 Ti 3g 9 Si 1b 2.62 .
3 Ti 3g 4 Co 3f 2.94 .
3 Ti 3g 5 Co 3f 2.94 .
3 Ti 3g 6 Co 3f 2.69 .
3 Ti 3g 7 Si 2c 2.58 .
3 Ti 3g 8 Si 2c 2.58 .
3 Ti 3g 9 Si 1b 2.62 .
4 Co 3f 5 Co 3f 2.53 .
4 Co 3f 6 Co 3f 2.53 .
4 Co 3f 7 Si 2c 2.33 .
4 Co 3f 8 Si 2c 2.33 .
4 Co 3f 9 Si 1b 2.37 .
5 Co 3f 6 Co 3f 2.53 .
5 Co 3f 7 Si 2c 2.33 .
5 Co 3f 8 Si 2c 2.33 .
5 Co 3f 9 Si 1b 2.37 .
6 Co 3f 7 Si 2c 2.33 .
6 Co 3f 8 Si 2c 2.33 .
6 Co 3f 9 Si 1b 2.37 .
7 Si 2c 8 Si 2c 3.48 .
7 Si 2c 9 Si 1b 3.94 .
8 Si 2c 9 Si 1b 3.94 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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Terms and conditions

Pair-resolved magnetic exchange parameters:


Diagram is not available for this entry.

Individual exchange parameters:


Diagram is not available for this entry.

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (None, None, None) for magnetic anisotropy calculations
  • package: QE (v6.3)

LMTO-GF calculations

  • k-point grid: (kx, ky, kz) =
  • energy mesh: 41 points on an elliptical contour
  • package: Questaal (v7)

References:

References

Materials Project: mp-15657
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